A Lewis structure for a molecule in which the central atom lacks an octet is to be explained. Concept introduction: In Lewis structures, dots are used to represent the valence electrons. Structures with octets (eight dots) or duets (two dots) are stable configurations. The atoms in a molecule are linked together with each other through chemical bonds formed by the transfer or sharing of valence electrons of the atoms. The atoms tend to attain octet in order to gain stability. Atoms can share more than one electron pair to form a complete octet resulting in multiple bonds.

Question

Lewis Structure, Hybridization & Molecular Geometry a) Draw the Lewis Structure of the molecules; Label the hybridization of each carbon atom; Predict the approximate molecular geometry around each carbon atom. CH3CHO CH3CN b) Draw the Lewis Structure of Nitromethane; Predict the approximate molecular geometry around the nitrogen atom. CH3NO2 c) Draw the Lewis Structure; Label the hybridization of the boron atom; Predict the approximate molecular geometry. BF3 BF4

Answer 1

Question

Chapter 5, Problem 3SC

Interpretation Introduction

Interpretation:

A Lewis structure for a molecule in which the central atom lacks an octet is to be explained.

Concept introduction:

In Lewis structures, dots are used to represent the valence electrons.

Structures with octets (eight dots) or duets (two dots) are stable configurations.

The atoms in a molecule are linked together with each other through chemical bonds formed by the transfer or sharing of valence electrons of the atoms. The atoms tend to attain octet in order to gain stability.

Atoms can share more than one electron pair to form a complete octet resulting in multiple bonds.

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